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"6th Grade MathThematics Module 2. Sections 1-5 Collective"

polygon a closed figure made from segments that are drawn on a flat surface and do not cross. A polygon can have3 or more sides. Some types of polygons are: pentagons (5 sides), hexagons (6 sides), octagons (8. sides), decagons (10 sides), etc.
parallel lines lines on a flat surface that do not meet
quadrilateral a polygon with four sides
trapezoid a quadrilateral with exactly one pair of parallel sides
parallelogram a quadrilateral with two pairs of parallel sides
rhombus a parallelogram with all sides the same length
regular polygon a polygon that has sides that are all of equal length and angles that are all of equal measure
congruent having the same size and shape
line symmetry a figure has line symmetry when it can be folded in half so that the two halves fit exactly on each other. The fold line is called the line of symmetry
fraction a number that compares a part with a whole
numerator the top number in a fraction that tells how many parts of the whole to consider
denominator the bottom number in a fraction that tells how many equal-sized parts the whole is divided into
mixed number the sum of a whole number and a fraction
equivalent fractions fractions that name the same part of a whole
lowest terms a fraction is in lowest terms when 1 is the greatest whole number that will divide both the numerator and the denominator evenly
translation a change made to a figure by sliding every point of it the same distance in the same direction
rotation a change made to a figure by turning it around a fixed point. The point of rotation can be any fixed point outside, inside, or on the figure
reflection a change made to a figure by flipping it across a line
transformation a change made to a figure or its position
decimal system a system of numbers based on 10
place value the numerical value assigned to the different positions of digits in a number that is written in decimal form
equivalent decimals two decimals that represent the same amount
Created by: MicahS